dual arm cranck 16"truth 30896 and cranck operator truth 45200

Hello, thank you for posting,

Please start by reviewing the 39-140 operator that has a 16" arm span as shown below. Compare to your original to confirm a good fit. Also see the 39-114L handle. 

Dimensions for 39-140

For the lock, compare the style of the 38-036. Let us know what you think and if you have any additional questions! 

Alternate view of 38-036